EP3833942A1 - Spulenvorrichtung eines schwingungssensors oder schwingungserregers und messaufnehmer bzw. messgerät - Google Patents
Spulenvorrichtung eines schwingungssensors oder schwingungserregers und messaufnehmer bzw. messgerätInfo
- Publication number
- EP3833942A1 EP3833942A1 EP19748815.8A EP19748815A EP3833942A1 EP 3833942 A1 EP3833942 A1 EP 3833942A1 EP 19748815 A EP19748815 A EP 19748815A EP 3833942 A1 EP3833942 A1 EP 3833942A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- measuring
- circuit board
- sensor
- contacting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007373 indentation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 241000792859 Enema Species 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000007920 enema Substances 0.000 description 1
- 229940095399 enema Drugs 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
- G01F1/8422—Coriolis or gyroscopic mass flowmeters constructional details exciters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
- G01F1/8427—Coriolis or gyroscopic mass flowmeters constructional details detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/003—Printed circuit coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/16—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
Definitions
- the invention relates to a coil device of a vibration sensor or vibration exciter of a measuring sensor or a measuring device for measuring a density or
- DE102015120087A1 describes a measuring device with a coil device which has two contacting elements for connecting an electronic measuring / operating circuit of the measuring device by means of electrical lines. This has the disadvantage, for example, that when the coil device is fastened and the electrical lines are guided in sections on the measuring tube, at least one electrical line is capable of oscillating via the coil device
- Line break increased. Different line lengths can also be undesirable.
- the object of the invention is therefore a coil device, a sensor and a
- the object is achieved with a coil device according to claim 1, a sensor according to claim 9 and a measuring device according to claim 15.
- a coil device of a vibration sensor or vibration exciter of a measuring sensor or a measuring device for measuring a density or a
- Mass flow of a medium flowing through at least one measuring tube of the measuring sensor or measuring device comprises:
- a circuit board with at least one circuit board layer, each circuit board layer having a first side surface and a second side surface plane-parallel to the first side surface, at least one coil set up for detecting or generating a time-varying magnetic field, the coil at least in sections by means of an electrically conductive
- Conductor path is formed, the coil on the first side surface and / or second
- the at least one coil has a first coil end and a second coil end, wherein the coil device has four contacting elements, a first pair
- Contacting elements with the first coil end electrically via a first connection is connected, and wherein a second pair of contacting elements is electrically connected to the second coil end via a second connection, the printed circuit board having a cutting plane running perpendicular to the side surfaces, the cutting plane each assigning a first side and a second side to the side surfaces, in each case a contacting element of a pair of contacting elements is arranged on the first side, and wherein in each case one contacting element of a pair of contacting elements is arranged on the second side, the coil device being connected to an electronic measuring device by means of at least one contacting element of the first pair and the second pair via electrical lines. / Operation circuit of the Coriolis measuring device can be connected.
- the printed circuit board has a plurality of printed circuit board layers, which
- Printed circuit board layers are stacked and connected to adjacent printed circuit board layers via side surfaces.
- the contacting elements are arranged either on at least one first side surface or on at least one second side surface.
- the contacting elements are arranged symmetrically with respect to the cutting plane.
- the printed circuit board has a number of A_total printed circuit board layers, wherein A_total is greater than 1, the printed circuit board having at least one indentation, which indentation is formed by at least one notch of an associated connected group of printed circuit board layers, a number of the associated printed circuit board layers is smaller than A_total, with a contacting element belonging to an indentation on a
- Contacting circuit board layer is arranged, which contacting circuit board layer adjoins the corresponding group, the contacting element being a bottom of the
- the indentation can be at least partially filled by means of an electrically conductive compound which is set up to hold an electrical line on the contacting element and to improve an electrical contact between the electrical line and the contacting element.
- a plurality of circuit board layers each have a coil, each with a first coil end and a second coil end, the coils being connected in series and / or parallel to one another, the coils of different circuit board layers being applied between the first via and the electrical voltage generate second interconstructive interfering magnetic fields.
- the sensitivity of the coil device to a change in the magnetic field in the area of the coil device can be increased, and stronger magnetic fields can be generated.
- first coil ends are connected by means of a first via
- second coil ends are connected by means of a second via.
- adjacent coils are connected by means of one of their coil ends, one end of each of the outer coils being connected to a contacting element.
- At least two vibration sensors which are set up to detect the deflection of the vibrations of at least one measuring tube; where at least one vibration exciter and the vibration sensors each one
- the coil devices of the vibration sensors are attached to the carrier body.
- a cross-sectional plane divides the at least one measuring tube into an inlet-side section and an outlet-side section, an inlet-side coil device and an outlet-side coil arrangement being arranged with mirror symmetry with respect to the cross-sectional plane with regard to the contacting elements.
- the measuring sensor has two collectors, a first collector on an upstream side of the measuring sensor being set up to receive a medium flowing into the measuring sensor from a pipeline and to lead it to the inlet of the at least one measuring tube, a second collector being set up for this is to take up the medium emerging from the outlet of the at least one measuring tube and to lead it into the pipeline.
- the measuring sensor has two process connections, in particular flanges, which are set up to connect the measuring sensor to a pipeline.
- a difference in an electrical direct voltage resistance of the coil devices of different vibration sensors is less than 3% and in particular less than 2% and preferably less than 1% of an average value of the electrical
- a measuring device comprises a measuring sensor according to the invention; an electronic measuring / operating circuit, the electronic measuring / operating circuit being set up to operate the vibration sensors and the vibration exciter and being connected to these by means of electrical connections, wherein the at least one electrical connection is led to the electronic measuring / operating circuit by means of a cable guide, the electronic measuring / operating circuit being further configured to determine and provide flow measurement values and / or density measured values, the measuring device in particular an electronics housing for housing the electronic Has measuring / operating circuit.
- FIG. 1 outlines a measuring device 200 with a measuring sensor 100.
- Measuring tube of the measuring device or sensor Measuring tube of the measuring device or sensor.
- the measuring device 200 outlines a measuring device 200 with a measuring sensor 100, the measuring sensor having two measuring tubes 110, which are held by a carrier body 120 of the measuring sensor.
- the measuring tubes open into a first collector 131 on the inlet side and into a second collector 132 on the outlet side, the collectors 130 being set up to receive a medium flowing into the measuring sensor from a pipeline (not shown) and to distribute it evenly over the measuring tubes. Accordingly, the second collector is set up to take up the medium flowing out of the measuring tubes and to transfer them into the pipeline.
- the sensor is connected to the pipeline via process connections 140, in particular flanges.
- the measuring sensor has a vibration exciter 11 which is set up to excite the measuring tubes to vibrate.
- the measuring sensor additionally has two vibration sensors 10, which are set up to detect the vibrations of the measuring tubes.
- the person skilled in the art is not limited to the numbers of measuring tubes, vibration exciters and vibration sensors mentioned here. The embodiment shown here is exemplary in these aspects.
- the measuring device has an electronic measuring / operating circuit 210, which is set up to operate the vibration exciter and the vibration sensors, and to calculate and output mass flow and / or density measured values of the medium.
- the electronic measuring / operating circuit is connected by means of electrical connections 220 to the vibration sensors and the vibration exciter.
- the measuring device has an electronics housing 230 in which the electronic measuring / operating circuit is arranged. To determine the Mass flow rate, the measuring device uses the Coriolis effect of the medium flowing through the measuring tubes, the flow characteristically influencing the measuring tube vibrations.
- FIG. 2 shows a plan view of a coil device 1 according to the invention with a printed circuit board 2, which has a plurality of printed circuit board layers 3, each with a first side surface 3.1 and a second side surface 3.2.
- a coil 4 with a first coil end 4.1 and a second coil end 4.2 is applied in the form of an electrically conductive interconnect 4.3, as shown here, to a first side surface 3.1.
- the coil device has four contacting elements 5, which form a first pair of contacting elements 5.1 and a second pair of contacting elements 5.2.
- the first pair of contacting elements is connected to the first coil end 4.1 by means of a first connection 8.1
- the second pair of contacting elements is connected to the second coil end 4.2 by means of a second connection 8.2.
- Section plane SE a first side S1 and a second side S2 arranged so that electrical connections to the electronic measuring / operating circuit can be connected to the coil device on one side, that is to say either via the first side or via the second side. In this way, the electrical connections can be routed securely, so that line breaks and different cable lengths can be avoided.
- a circuit board 3 can have a plurality of circuit board layers, a plurality of circuit board layers each having a coil.
- Printed circuit board layers are connected via plated-through holes 7.1, 7.2, so that the coils of different printed circuit board layers generate constructively interfering magnetic fields when an electrical voltage is applied between the plated-through holes.
- a first via 7.1 can have first coil ends 4.1 and a second
- Plating 7.2 Connect the second coil ends 4.2 of different coils to each other. This corresponds to a parallel connection of different coils.
- adjacent coils can be connected to one another via adjacent coil ends, a first coil end of an outer coil being connected to the first connection 8.1, and a second coil end of a further outer coil being connected to the second connection 8.2, and adjacent coil ends by means of a plated-through hole are connected. This would correspond to a series connection of different coils.
- the contacting elements can be arranged in indentations 6 which, for example, as shown here in side view 1 SA1, are formed by notches 6.1 of a coherent group 3.3 of printed circuit boards.
- the cohesive group forming an indentation can be different for different contacting elements.
- a circuit board can also have a smaller dimension than at least one adjacent circuit board, so that a contacting element is not covered by the circuit board with smaller dimensions.
- FIG. 3 outlines a side view of a measuring tube 110 of a measuring device with two
- Vibration sensors 10 each comprise a coil device 1 according to the invention from a side view SA2, see FIG. 2, wherein the vibration sensors are each connected to the measuring tube 110 by means of a holder H and are set up for the latter
- Coil devices are mechanically connected to the carrier body 120 by means of a holder H, as shown in the outlet-side section AA.
- a cross-sectional plane QE divides the at least one measuring tube into the inlet-side section EA and the outlet-side section AA.
- electrical connections 220 can be connected to a side of the coil device facing the measuring tube by the arrangement of contacting elements according to the invention.
- a connection of an electrical line to a side of the coil device facing away from the measuring tube, as shown in the dashed line, is therefore not necessary.
- Magnetic devices 9 which, as sketched here, are mounted on a second measuring tube covered by the measuring tube shown and are set up for this purpose, whose oscillating movements follow, interact in measuring operation with the associated coil devices via electromagnetic fields. With opposite measuring tube vibrations, vibrations can thus be detected by means of electrical voltages induced in the coil.
- connections are performed along the support body. In this case, the
- the measuring sensor can, for example, have only one measuring tube, a magnetic device of a respective sensor being attached, for example, to the measuring tube, and the associated coil device to the carrier body or vice versa, or more than two
- the at least one measuring tube can have at least one bend or can also run in a straight line.
- the applicability of the coil device is independent of a measuring tube geometry. LIST OF REFERENCE NUMBERS
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018119330.0A DE102018119330B3 (de) | 2018-08-08 | 2018-08-08 | Spulenvorrichtung eines Schwingungssensors oder Schwingungserregers und Messaufnehmer bzw. Messgerät |
PCT/EP2019/070658 WO2020030502A1 (de) | 2018-08-08 | 2019-07-31 | Spulenvorrichtung eines schwingungssensors oder schwingungserregers und messaufnehmer bzw. messgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3833942A1 true EP3833942A1 (de) | 2021-06-16 |
EP3833942B1 EP3833942B1 (de) | 2023-03-22 |
Family
ID=67514649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19748815.8A Active EP3833942B1 (de) | 2018-08-08 | 2019-07-31 | Spulenvorrichtung eines schwingungssensors oder schwingungserregers und messaufnehmer bzw. messgerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US11971283B2 (de) |
EP (1) | EP3833942B1 (de) |
CN (1) | CN112513586B (de) |
DE (1) | DE102018119330B3 (de) |
WO (1) | WO2020030502A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020121681A1 (de) | 2020-08-18 | 2022-02-24 | Endress+Hauser Flowtec Ag | Coriolis-Durchflussmessgerät |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9102789D0 (en) * | 1991-02-09 | 1991-03-27 | Norgren Martonair Ltd | Armature movement detection circuit |
US5349872A (en) * | 1993-08-20 | 1994-09-27 | Micro Motion, Inc. | Stationary coils for a coriolis effect mass flowmeter |
RU2155939C2 (ru) | 1994-08-29 | 2000-09-10 | Микро Моушн, Инк. | Расходомер кориолиса и способ измерения расхода с использованием расходомера кориолиса (варианты) |
ATE534019T1 (de) * | 2001-01-12 | 2011-12-15 | Flowtec Ag | Coriolis-massendurchflussmesser mit einem gekrümmten rohr und mit symmetrischem schwingungserzeuger |
DE102007050686A1 (de) | 2007-10-22 | 2009-04-23 | Endress + Hauser Flowtec Ag | Meßwandler vom Vibrationstyp |
DE102007062397A1 (de) | 2007-12-20 | 2009-06-25 | Endress + Hauser Flowtec Ag | Meßwandler vom Vibrationstyp |
DE102008035877A1 (de) | 2008-08-01 | 2010-02-04 | Endress + Hauser Flowtec Ag | Meßwandler vom Vibrationstyp |
CA2754682C (en) | 2009-03-11 | 2014-07-22 | Ennio Bitto | Measuring system for media flowing in a pipeline |
EP2236993A1 (de) * | 2009-04-02 | 2010-10-06 | Kamstrup A/S | Flussmesser mit Gehäuse und separater Einheit |
DE102009028007A1 (de) | 2009-07-24 | 2011-01-27 | Endress + Hauser Flowtec Ag | Meßumwandler vom Vibrationstyp sowie Meßgerät mit einem solchen Meßwandler |
US8451083B2 (en) | 2010-05-31 | 2013-05-28 | Tdk Corporation | Coil component and method of manufacturing the same |
DE102011006971A1 (de) | 2011-04-07 | 2012-10-11 | Endress + Hauser Flowtec Ag | Meßwandler vom Vibrationstyp sowie Verfahren zu dessen Herstellung |
DE102013021915A1 (de) | 2013-12-27 | 2015-07-02 | Endress + Hauser Flowtec Ag | Meßaufnehmer vom Vibrationstyp |
JP5931111B2 (ja) * | 2014-03-31 | 2016-06-08 | ミネベア株式会社 | 検出装置 |
WO2017037883A1 (ja) * | 2015-09-02 | 2017-03-09 | 株式会社PEZY Computing | 半導体装置 |
DE102015120087A1 (de) | 2015-11-19 | 2017-05-24 | Endress + Hauser Flowtec Ag | Feldgerät der Prozessmesstechnik mit einem Messaufnehmer vom Vibrationstyp |
US10553345B2 (en) * | 2016-03-25 | 2020-02-04 | Wits Co., Ltd. | Coil device and apparatus including the same |
DE102016006185B4 (de) | 2016-05-18 | 2020-06-18 | Rota Yokogawa Gmbh & Co. Kg | Coriolis-Massendurchflussmessgerät und Verfahren zur Einstellung der Stromstärke in einem Stromkreis eines Treibers eines Coriolis-Massendurchflussmessgerätes |
DE102017106209A1 (de) * | 2016-12-29 | 2018-07-05 | Endress+Hauser Flowtec Ag | Vibronisches Meßsystem zum Messen einer Massendurchflußrate |
-
2018
- 2018-08-08 DE DE102018119330.0A patent/DE102018119330B3/de active Active
-
2019
- 2019-07-31 CN CN201980051019.XA patent/CN112513586B/zh active Active
- 2019-07-31 EP EP19748815.8A patent/EP3833942B1/de active Active
- 2019-07-31 WO PCT/EP2019/070658 patent/WO2020030502A1/de unknown
- 2019-07-31 US US17/266,967 patent/US11971283B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3833942B1 (de) | 2023-03-22 |
CN112513586A (zh) | 2021-03-16 |
CN112513586B (zh) | 2024-04-23 |
US20210310842A1 (en) | 2021-10-07 |
DE102018119330B3 (de) | 2019-12-05 |
US11971283B2 (en) | 2024-04-30 |
WO2020030502A1 (de) | 2020-02-13 |
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